MCQ Class 11 Chemistry Chapter 5 Thermodynamics Advertisement MCQ’s For All Chapters – Chemistry Class 11th 1. What does thermodynamics primarily study?Structure of atomsEnergy transformationsFormation of crystalsAtomic numbersQuestion 1 of 202. In thermodynamics, the part of the universe in which observations are made is called the:SurroundingsBoundarySystemEnvironmentQuestion 2 of 203. The surroundings include:Only the systemEverything other than the systemOnly the boundaryOnly the reacting substancesQuestion 3 of 204. The system and surroundings together constitute the:BoundaryEnvironmentUniverseReaction mixtureQuestion 4 of 205. What is the function of the boundary of a system?To increase temperatureTo control and track matter and energy movementsTo change the compositionTo produce workQuestion 5 of 206. Which type of system allows exchange of both matter and energy with the surroundings?Closed systemIsolated systemOpen systemAdiabatic systemQuestion 6 of 207. In a closed system, which exchange is possible?Matter onlyEnergy onlyNeither matter nor energyMatter and energy bothQuestion 7 of 208. Which system does not exchange either matter or energy with its surroundings?Open systemClosed systemIsolated systemAdiabatic systemQuestion 8 of 209. Reactants kept in an open beaker represent an example of a:Closed systemIsolated systemOpen systemAdiabatic systemQuestion 9 of 2010. Reactants in a thermos flask are considered an example of a:Open systemClosed systemIsolated systemReversible systemQuestion 10 of 2011. Which of the following is used to describe the state of a thermodynamic system?Pressure, volume and temperatureColour, smell and shapeMass number and atomic numberDensity and atomic mass onlyQuestion 11 of 2012. The values of state functions depend on:The path followedThe state of the systemThe surroundings onlyThe time takenQuestion 12 of 2013. Which of the following is a state function?HeatWorkInternal energyPath lengthQuestion 13 of 2014. Internal energy of a system is represented by:HUqwQuestion 14 of 2015. Internal energy may change when:Heat is transferredWork is doneMatter enters or leaves the systemAll of theseQuestion 15 of 2016. An adiabatic process is one in which:No work is doneNo heat is transferredNo matter is presentTemperature remains constantQuestion 16 of 2017. The wall that does not permit heat transfer is called an:Isolated wallAdiabatic wallOpen wallConducting wallQuestion 17 of 2018. According to the IUPAC convention, work done on the system is:NegativePositiveZeroAlways constantQuestion 18 of 2019. Heat transferred from the surroundings to the system is considered:PositiveNegativeZeroUndefinedQuestion 19 of 2020. The general expression for change in internal energy is:∆U = q − w∆U = q + w∆U = q/w∆U = w − qQuestion 20 of 20 Loading...
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